#Question id: 161
#Section 2: General Biology
Two amino acids of the standard 20 contain sulfur atoms. They are:
#Question id: 162
#Section 2: General Biology
All of the amino acids that are found in proteins, except for proline, contain a(n):
#Question id: 164
#Section 2: General Biology
The uncommon amino acid selenocysteine has an R group with the structure —CH2—SeH (pKa = 5). In an aqueous solution, pH = 7.0, selenocysteine would:
#Question id: 165
#Section 2: General Biology
Amino acids are ampholytes because they can function as either a(n):
#Question id: 166
#Section 2: General Biology
For amino acids with neutral R groups, at any pH below the pI of the amino acid, the population of amino acids in solution will have:
#Question id: 168
#Section 2: General Biology
The peptide alanylglutamylglycylalanylleucine has: